Vettavalam Weather in September
What's the weather like in Vettavalam (Tamil Nādu) in September 2025?
The climate in Vettavalam during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Vettavalam and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (92°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 33.5°C 92.2°F |
|---|---|
| Nightly temperature | 24°C 75.1°F |
| Average temperature | 28.7°C 83.7°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 150 mm 5.9 ins |
| Rainy days | 6 days |
| Sea temperature | 29°C 84.1°F |
| Humidity | 74% |
| Windspeed | 9.4kph 6 mph |
On average September is the 4th wettest month of the year in Vettavalam with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
September temperatures in Vettavalam
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Vettavalam in September 2025.
Other monthly averages
Best places to visit in September
Vettavalam weather stats
| Hottest month: | May | 36.9°C 98.4°F |
|---|---|---|
| Driest month: | February | 10mm 0.4ins |
| Sunniest month: | February | 9.6hrs |
| Coldest month: | January | 28.7°C 83.7°F |
| Wettest month: | October | 224mm 8.8ins |
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